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Remove workaround for the forward progress handling in LLVM

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This commit is contained in:
Andreas Jonson 2021-11-14 14:01:30 +01:00
parent f820d9d4e5
commit 50ec47aa06
5 changed files with 1 additions and 30 deletions
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9
compiler/rustc_codegen_llvm/src/intrinsic.rs
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@ -392,15 +392,6 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> {
self.call_intrinsic("llvm.expect.i1", &[cond, self.const_bool(expected)])
}
fn sideeffect(&mut self) {
// This kind of check would make a ton of sense in the caller, but currently the only
// caller of this function is in `rustc_codegen_ssa`, which is agnostic to whether LLVM
// codegen backend being used, and so is unable to check the LLVM version.
if unsafe { llvm::LLVMRustVersionMajor() } < 12 {
self.call_intrinsic("llvm.sideeffect", &[]);
}
}
fn type_test(&mut self, pointer: Self::Value, typeid: Self::Value) -> Self::Value {
// Test the called operand using llvm.type.test intrinsic. The LowerTypeTests link-time
// optimization pass replaces calls to this intrinsic with code to test type membership.